Vaccine Shipment An Air Force C-21 Learjet lands at the 332nd Air Expeditionary Wing carrying 20 doses of COVID-19 vaccine during a proof of concept trial, Jan. 22, 2021. This initial shipment to the wing is designed to test the efficacy of delivering vaccines to deployed airmen in the Middle East. SHARE: Download: Full Size (2.07 MB) Tags: coronavirus, covid19vaccine Credit: Air Force Master Sgt. Jefferson Thompson VIRIN: 210122-Z-NJ935-0328A.JPG Photo Gallery